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Clay cortex from the contact zone between the host rock (chalk) and infilling deposits were examined in paleokarst forms (pockets, pipes, and dolines of different age) from the Lublin–Volhynia chalk karst region. In light of the sedimentological and micromorphological analyses, it seems possible to work out a model as the basis for genetic and stratigraphic discussions. (1) Dolines with the Paleogene...
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